Attachment 148399 Details for Bug 30881 – Patch

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[patch] Patch

patch3_30881.txt (text/plain), 14.13 KB, created by Raksha Vasisht

on 2009-09-30 05:28:55 EDT

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Creator: Raksha Vasisht

Created: 2009-09-30 05:28:55 EDT

Size: 14.13 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.jdt.ui
>Index: ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyLifeCycle.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyLifeCycle.java,v
>retrieving revision 1.46
>diff -u -r1.46 TypeHierarchyLifeCycle.java
>--- ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyLifeCycle.java	31 Dec 2008 21:13:30 -0000	1.46
>+++ ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyLifeCycle.java	30 Sep 2009 09:07:51 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2008 IBM Corporation and others.
>+ * Copyright (c) 2000, 2009 IBM Corporation and others.
>  * All rights reserved. This program and the accompanying materials
>  * are made available under the terms of the Eclipse Public License v1.0
>  * which accompanies this distribution, and is available at
>@@ -14,12 +14,19 @@
> import java.util.ArrayList;
> import java.util.List;
> 
>+import org.eclipse.swt.widgets.Display;
>+
> import org.eclipse.core.runtime.IProgressMonitor;
>+import org.eclipse.core.runtime.IStatus;
> import org.eclipse.core.runtime.OperationCanceledException;
>+import org.eclipse.core.runtime.Status;
>+import org.eclipse.core.runtime.jobs.Job;
> 
> import org.eclipse.jface.operation.IRunnableContext;
> import org.eclipse.jface.operation.IRunnableWithProgress;
> 
>+import org.eclipse.ui.progress.IWorkbenchSiteProgressService;
>+
> import org.eclipse.jdt.core.ElementChangedEvent;
> import org.eclipse.jdt.core.IClassFile;
> import org.eclipse.jdt.core.ICompilationUnit;
>@@ -37,6 +44,9 @@
> import org.eclipse.jdt.core.JavaModelException;
> 
> import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
>+import org.eclipse.jdt.internal.corext.util.Messages;
>+
>+import org.eclipse.jdt.ui.JavaElementLabels;
> 
> import org.eclipse.jdt.internal.ui.JavaPlugin;
> 
>@@ -52,8 +62,30 @@
> 
> 	private List fChangeListeners;
> 
>-	public TypeHierarchyLifeCycle() {
>+	/**
>+	 * The type hierarchy view part.
>+	 *
>+	 * @since 3.6
>+	 */
>+	private TypeHierarchyViewPart fTypeHierarchyViewPart;
>+
>+	/**
>+	 * The job that runs in the background to refresh the type hierarchy.
>+	 *
>+	 * @since 3.6
>+	 */
>+	private Job fRefreshHierarchyJob;
>+
>+	/**
>+	 * Creates the type hierarchy life cycle.
>+	 *
>+	 * @param part the type hierarchy view part
>+	 * @since 3.6
>+	 */
>+	public TypeHierarchyLifeCycle(TypeHierarchyViewPart part) {
> 		this(false);
>+		fTypeHierarchyViewPart= part;
>+		fRefreshHierarchyJob= null;
> 	}
> 
> 	public TypeHierarchyLifeCycle(boolean isSuperTypesOnly) {
>@@ -98,7 +130,27 @@
> 		}
> 	}
> 
>+	/**
>+	 * Refreshes the type hierarchy for the java element if it exists.
>+	 *
>+	 * @param element the java element for which the type hierarchy is computed
>+	 * @param context the runnable context
>+	 * @throws InterruptedException thrown from the <code>OperationCanceledException</code> when the monitor is canceled
>+	 * @throws InvocationTargetException thrown from the <code>JavaModelException</code> if the java element does not exist or if an exception occurs while accessing its corresponding resource
>+	 */
> 	public void ensureRefreshedTypeHierarchy(final IJavaElement element, IRunnableContext context) throws InvocationTargetException, InterruptedException {
>+		synchronized (this) {
>+			if (fRefreshHierarchyJob != null) {
>+				fRefreshHierarchyJob.cancel();
>+				try {
>+					fRefreshHierarchyJob.join();
>+				} catch (InterruptedException e) {
>+					// ignore
>+				} finally {
>+					fRefreshHierarchyJob= null;
>+				}
>+			}
>+		}
> 		if (element == null || !element.exists()) {
> 			freeHierarchy();
> 			return;
>@@ -106,21 +158,73 @@
> 		boolean hierachyCreationNeeded= (fHierarchy == null || !element.equals(fInputElement));
> 
> 		if (hierachyCreationNeeded || fHierarchyRefreshNeeded) {
>-
>-			IRunnableWithProgress op= new IRunnableWithProgress() {
>-				public void run(IProgressMonitor pm) throws InvocationTargetException, InterruptedException {
>-					try {
>-						doHierarchyRefresh(element, pm);
>-					} catch (JavaModelException e) {
>-						throw new InvocationTargetException(e);
>-					} catch (OperationCanceledException e) {
>-						throw new InterruptedException();
>+			if (fTypeHierarchyViewPart == null) {
>+				IRunnableWithProgress op= new IRunnableWithProgress() {
>+					public void run(IProgressMonitor pm) throws InvocationTargetException, InterruptedException {
>+						try {
>+							doHierarchyRefresh(element, pm);
>+						} catch (JavaModelException e) {
>+							throw new InvocationTargetException(e);
>+						} catch (OperationCanceledException e) {
>+							throw new InterruptedException();
>+						}
> 					}
>+				};
>+				fHierarchyRefreshNeeded= true;
>+				context.run(true, true, op);
>+				fHierarchyRefreshNeeded= false;
>+			} else {
>+				synchronized (this) {
>+					final String label= Messages.format(TypeHierarchyMessages.TypeHierarchyLifeCycle_computeInput, JavaElementLabels.getElementLabel(element, JavaElementLabels.ALL_DEFAULT));
>+					fRefreshHierarchyJob= new Job(label) {
>+						/*
>+						 * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
>+						 */
>+						public IStatus run(IProgressMonitor pm) {
>+							pm.beginTask(label, LONG);
>+							try {
>+								doHierarchyRefreshBackground(element, pm);
>+							} catch (OperationCanceledException e) {
>+								fTypeHierarchyViewPart.setCanceledViewer();
>+								return Status.CANCEL_STATUS;
>+							} catch (JavaModelException e) {
>+								return e.getStatus();
>+							} finally {
>+								fHierarchyRefreshNeeded= false;
>+								pm.done();
>+							}
>+							return Status.OK_STATUS;
>+						}
>+					};
>+					fRefreshHierarchyJob.setUser(true);
>+					IWorkbenchSiteProgressService progressService = (IWorkbenchSiteProgressService) fTypeHierarchyViewPart.getSite()
>+															.getAdapter(IWorkbenchSiteProgressService.class);
>+					progressService.schedule(fRefreshHierarchyJob, 0);
> 				}
>-			};
>-			fHierarchyRefreshNeeded= true;
>-			context.run(true, true, op);
>-			fHierarchyRefreshNeeded= false;
>+			}
>+		}
>+	}
>+
>+	/**
>+	 * Refreshes the hierarchy in the background and updates the hierarchy viewer asynchronously in the UI thread.
>+	 *
>+	 * @param element the java element on which the hierarchy is computed
>+	 * @param pm the progress monitor
>+	 * @throws JavaModelException if the java element does not exist or if an exception occurs while accessing its corresponding resource.
>+	 * @since 3.6
>+	 */
>+	protected void doHierarchyRefreshBackground(final IJavaElement element, final IProgressMonitor pm) throws JavaModelException {
>+		doHierarchyRefresh(element, pm);
>+		if (!pm.isCanceled()) {
>+			Display.getDefault().asyncExec(new Runnable() {
>+				/*
>+				 * @see java.lang.Runnable#run()
>+				 */
>+				public void run() {
>+					fTypeHierarchyViewPart.setViewersInput();
>+					fTypeHierarchyViewPart.updateHierarchyViewer(true);
>+				}
>+			});
> 		}
> 	}
> 
>@@ -176,6 +280,8 @@
> 			fInputElement= element;
> 		} else {
> 			fHierarchy.refresh(pm);
>+			if (pm != null && pm.isCanceled())
>+				throw new OperationCanceledException();
> 		}
> 		fHierarchy.addTypeHierarchyChangedListener(this);
> 		JavaCore.addElementChangedListener(this);
>Index: ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyMessages.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyMessages.java,v
>retrieving revision 1.12
>diff -u -r1.12 TypeHierarchyMessages.java
>--- ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyMessages.java	6 Aug 2009 13:53:47 -0000	1.12
>+++ ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyMessages.java	30 Sep 2009 09:07:52 -0000
>@@ -72,6 +72,7 @@
> 	public static String TypeHierarchyViewPart_ws_tooltip;
> 	public static String TypeHierarchyViewPart_restoreinput;
> 	public static String TypeHierarchyViewPart_layout_submenu;
>+	public static String TypeHierarchyLifeCycle_computeInput;
> 	public static String ToggleViewAction_subtypes_label;
> 	public static String ToggleViewAction_subtypes_tooltip;
> 	public static String ToggleViewAction_subtypes_description;
>Index: ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyMessages.properties
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyMessages.properties,v
>retrieving revision 1.59
>diff -u -r1.59 TypeHierarchyMessages.properties
>--- ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyMessages.properties	17 Aug 2009 15:28:36 -0000	1.59
>+++ ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyMessages.properties	30 Sep 2009 09:07:52 -0000
>@@ -62,6 +62,7 @@
> SortByDefiningTypeAction_label=Sort by the Defining Type
> SortByDefiningTypeAction_tooltip=Sort Methods by the Defining Type
> SortByDefiningTypeAction_description=Sort methods by the defining type
>+TypeHierarchyLifeCycle_computeInput=Computing type hierarchy of ''{0}''...
> 
> TypeHierarchyViewPart_error_title=Open Type Hierarchy
> TypeHierarchyViewPart_createinput=Creating type hierarchy of ''{0}''...
>Index: ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java,v
>retrieving revision 1.227
>diff -u -r1.227 TypeHierarchyViewPart.java
>--- ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java	6 Aug 2009 13:53:47 -0000	1.227
>+++ ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java	30 Sep 2009 09:07:54 -0000
>@@ -251,7 +250,7 @@
> 		fSelectInEditor= true;
> 		fRestoreStateJob= null;
> 
>-		fHierarchyLifeCycle= new TypeHierarchyLifeCycle();
>+		fHierarchyLifeCycle= new TypeHierarchyLifeCycle(this);
> 		fTypeHierarchyLifeCycleListener= new ITypeHierarchyLifeCycleListener() {
> 			public void typeHierarchyChanged(TypeHierarchyLifeCycle typeHierarchy, IType[] changedTypes) {
> 				doTypeHierarchyChanged(typeHierarchy, changedTypes);
>@@ -529,6 +528,11 @@
> 		if (inputElement == null) {
> 			clearInput();
> 		} else {
>+			if (!inputElement.equals(prevInput)) {
>+				for (int i= 0; i < fAllViewers.length; i++) {
>+					fAllViewers[i].setInput(null);
>+				}
>+			}
> 			fInputElement= inputElement;
> 			fNoHierarchyShownLabel.setText(Messages.format(TypeHierarchyMessages.TypeHierarchyViewPart_createinput, JavaElementLabels.getElementLabel(inputElement, JavaElementLabels.ALL_DEFAULT)));
> 			try {
>@@ -537,10 +541,10 @@
> 			} catch (InvocationTargetException e) {
> 				ExceptionHandler.handle(e, getSite().getShell(), TypeHierarchyMessages.TypeHierarchyViewPart_exception_title, TypeHierarchyMessages.TypeHierarchyViewPart_exception_message);
> 				clearInput();
>-				return;
>+				return;// panic code. This code wont be executed.
> 			} catch (InterruptedException e) {
> 				fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);
>-				return;
>+				return;// panic code. This code wont be executed.
> 			}
> 
> 			if (inputElement.getElementType() != IJavaElement.TYPE) {
>@@ -561,10 +565,23 @@
> 			updateToolTipAndDescription();
> 			showMembersInHierarchy(false);
> 			fPagebook.showPage(fTypeMethodsSplitter);
>+			setViewerVisibility(true);
> 			fSelectInEditor= true;
> 		}
> 	}
> 
>+	/**
>+	 * Sets the input for all the hierarchy viewers with their respective viewer instances. This is usually called after the
>+	 * viewer's input have been set to null and before their contents are updated.
>+	 *
>+	 * @since 3.6
>+	 */
>+	public void setViewersInput() {
>+		for (int i= 0; i < fAllViewers.length; i++) {
>+			fAllViewers[i].setInput(fAllViewers[i]);
>+		}
>+	}
>+
> 	private void processOutstandingEvents() {
> 		Display display= getDisplay();
> 		if (display != null && !display.isDisposed())
>@@ -1124,7 +1141,7 @@
> 	 * <code>updateHierarchyViewer<code> brings up the correct view and refreshes
> 	 * the current tree
> 	 */
>-	private void updateHierarchyViewer(final boolean doExpand) {
>+	public void updateHierarchyViewer(final boolean doExpand) {
> 		if (fInputElement == null) {
> 			fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);
> 			fPagebook.showPage(fNoHierarchyShownLabel);
>@@ -1566,6 +1583,7 @@
> 						} catch (JavaModelException e) {
> 							return e.getStatus();
> 						} catch (OperationCanceledException e) {
>+							setCanceledViewer();
> 							return Status.CANCEL_STATUS;
> 						}
> 						return Status.OK_STATUS;
>@@ -1579,17 +1597,16 @@
> 	private void doRestoreInBackground(final IMemento memento, final IJavaElement hierarchyInput, IProgressMonitor monitor) throws JavaModelException {
> 		fHierarchyLifeCycle.doHierarchyRefresh(hierarchyInput, monitor);
> 		final boolean doRestore= !monitor.isCanceled();
>-		Display.getDefault().asyncExec(new Runnable() {
>-			public void run() {
>-				// running async: check first if view still exists
>-				if (fPagebook != null && !fPagebook.isDisposed()) {
>-					if (doRestore)
>+		if (doRestore) {
>+			Display.getDefault().asyncExec(new Runnable() {
>+				public void run() {
>+					// running async: check first if view still exists
>+					if (fPagebook != null && !fPagebook.isDisposed()) {
> 						doRestoreState(memento, hierarchyInput);
>-					else
>-						fNoHierarchyShownLabel.setText(TypeHierarchyMessages.TypeHierarchyViewPart_empty);
>+					}
> 				}
>-			}
>-		});
>+			});
>+		}
> 	}
> 
> 
>@@ -1731,4 +1748,28 @@
> 		fNeedRefresh= false;
> 	}
> 
>+	/**
>+	 * Sets the empty viewer after the canceled job in the display thread.
>+	 *
>+	 * @since 3.6
>+	 */
>+	public void setCanceledViewer() {
>+		Display.getDefault().asyncExec(new Runnable() {
>+			public void run() {
>+				clearInput();
>+			}
>+		});
>+	}
>+
>+	/**
>+	 * Returns the type hierarchy life cycle.
>+	 *
>+	 * @return the type hierarchy life cycle
>+	 *
>+	 * @since 3.6
>+	 */
>+	public TypeHierarchyLifeCycle getTypeHierarchyLifeCycle() {
>+		return fHierarchyLifeCycle;
>+
>+	}
> }

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Attachments on bug 30881: 146846 | 146848 | 148399 | 148408 | 150907 | 150908 | 151768